126404053 has 2 divisors, whose sum is σ = 126404054. Its totient is φ = 126404052.

The previous prime is 126404023. The next prime is 126404059. The reversal of 126404053 is 350404621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88679889 + 37724164 = 9417^2 + 6142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126404053 is a prime.

It is a super-2 number, since 2×126404053² = 31955969229653618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126404059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63202026 + 63202027.

It is an arithmetic number, because the mean of its divisors is an integer number (63202027).

Almost surely, 2^126404053 is an apocalyptic number.

It is an amenable number.

126404053 is a deficient number, since it is larger than the sum of its proper divisors (1).

126404053 is an equidigital number, since it uses as much as digits as its factorization.

126404053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 126404053 is about 11242.9557056852. The cubic root of 126404053 is about 501.8651047843.

Adding to 126404053 its reverse (350404621), we get a palindrome (476808674).

The spelling of 126404053 in words is "one hundred twenty-six million, four hundred four thousand, fifty-three".